Accès ouvert déclaré
2024
preprint
First Determination of the Spin-Parity of Ξ c ( 3055 ) + , 0 Baryons
R. Aaij, A. S. W. Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén, T. Ackernley, A. A. Adefisoye, B. Adeva, M. Adinolfi, P. Adlarson, C. Agapopoulou, C. Aidala, Ziad Ajaltouni, S. Akar, K. Carvalho Akiba, P. Albicocco, J. Albrecht, F. Alessio, M. Alexander, Zakariya Aliouche, P. Álvarez Cartelle, Renaud Amalric, S. Amato, J. L. Amey, Y. Amhis, Liupan An, L. Anderlini, M. Andersson, A. Andreianov, P. Andreola, M. Andreotti, D. Andreou, Alessia Anelli, D. Ao, F. Archilli, Matteo Argenton, S. Arguedas Cuendis, A. Artamonov, M. Artuso, E. Aslanides, Rita Ataíde da Silva, M. Atzeni, B. Audurier, D. Bacher, Irene Bachiller Perea, S. Bachmann, Marie Bachmayer, J. J. Back, P. Baladrón Rodríguez, V. Balagura, W. Baldini, Luca Balzani, Haoran Bao, J. Baptista de Souza Leite, Carlos Javier Barbero Pretel, M. Barbetti, I. R. Barbosa, R. J. Barlow, Mikhail Barnyakov, S. Barsuk, W. Barter, M. Bartolini, Justin Bartz, J. M. Basels, Saliha Bashir, G. Bassi, B. Batsukh, Piera Battista, A. Bay, A. Beck, M. Becker, F. Bedeschi, I. Bediaga, Noah Albin Behling, S. Belin, V. Bellée, K. Belous, I. Belov, I. Belyaev, G. Benane, G. Bencivenni, E. Ben-Haim, A. Berezhnoy, R. Bernet, Sergi Bernet Andres, A. Bertolin, C. Betancourt, F. Betti, J. Bex, Ia. Bezshyiko, J. Bhom, M. S. Bieker, N. V. Biesuz, P. Billoir, A. Biolchini, Matthew Birch, F. C. R. Bishop, A. Bitadze, A. Bizzeti, T. Blake, F. Blanc, Jonah Evan Blank, S. Blusk, Vladimir Bocharnikov, J. A. Boelhauve, O. Boente García, T. Boettcher, A. Bohare, A. S. Boldyrev, C. S. Bolognani, R. Bolzonella, N. Bondar, Aleksandar Bordelius, F. Borgato, S. Borghi, M. Borsato, J. T. Borsuk, Sonia Amina Bouchiba, Marcelo Bovill, T. J. V. Bowcock, A. Boyer, C. Bozzi, A. Brea Rodríguez, Nils Breer, A. Brossa Gonzalo, James David Brown, D. Brundu, E. Buchanan, A. Buonaura, Laura Buonincontri, A. T. Burke, C. Burr, A. Butkevich, J. S. Butter, J. Buytaert, W. Byczynski, S. Cadeddu, Hao Cai, Alois Caillet, R. Calabrese, Saul Calderon Ramirez, Lukas Calefice, S. Cali, M. Calvi, Miriam Calvo Gomez, P. Camargo Magalhaes, Jose Ivan Cambon Bouzas, P. Campana, D. H. Cámpora Pérez, A. Campoverde, S. Capelli, L. Capriotti, Ronald Gerardo Caravaca-Mora, A. Carbone, Lidia Carcedo Salgado, R. Cardinale, A. Cardini, P. Carniti, Leon David Carus, A. Casais Vidal, R. Caspary, G. Casse, J. Castro Godinez, M. Cattaneo, G. Cavallero, V. Cavallini, S. Celani, D. Červenkov, Sara Cesare, A. J. Chadwick, Ibrahim Chahrour, M. Charles, Philippe Charpentier, Evridki Chatzianagnostou, C. A. Chavez Barajas, M. Chefdeville, 陈晨, S. Chen, Zewen Chen, A. Chernov, S. Chernyshenko, Xenofon Chiotopoulos, V. Chobanova, Serhii Cholak, M. Chrząszcz, A. Chubykin, V. Chulikov, P. Ciambrone, X. Cid Vidal, G. Ciezarek, P. Cifra, P. E. L. Clarke, M. Clemencic, H. V. Cliff, J. Closier, Carlos Eduardo Cocha Toapaxi, V. Coco, Julien Cogan, L. Cojocariu, Paula Collins, T. Colombo, M. Colonna, A. Comerma-Montells, L. Congedo, A. Contu, N. Cooke, I. Corredoira, Anthony Correia, G. Corti, Josephine Jane Cottee Meldrum, B. Couturier, D. C. Craik, M. Cruz Torres, Esteban Currás Rivera, R. Currie, Cesar Luiz da Silva, Shakhzod Dadabaev, L. Dai, X. Dai, Elena Dall'Occo, J. Dalseno, Carmelo d'Ambrosio, J. Daniel, A. Danilina, P. d’Argent, Alexander Davidson, J. E. Davies, Adam Davis, O. De Aguiar Francisco, Camilla de Angelis, Federico de Benedetti, K. De Bruyn, S. De Capua, M. De Cian, U. De Freitas Carneiro Da Graca, Erika de Lucia, J. M. De Miranda, L. De Paula, M. De Serio, F. De Vellis, J. A. de Vries, F. Debernardis, D. Décamp, V. Dedu, Sam Michael Dekkers, L. Del Buono, B. Delaney, H.-P. Dembinski, Jianqiao Deng, Vadym Denysenko, O. Deschamps, F. Dettori, B. Dey, P. Di Nezza, I. Diachkov, S. Didenko, S. Ding, Lucas Dittmann, Vasyl Dobishuk, A. D. Docheva, C. Dong, A. M. Donohoe, F. Dordei, Alberto dos Reis, Andrew Jay Dowling, Weisong Duan, P. Duda, M. W. Dudek, L. Dufour, Viacheslav Duk, P. Durante, M. M. Duras, J. M. Durham, Ozgur Durmus, A. Dziurda, A. Dzyuba, S. Easo, Ellinor Eckstein, U. Egede, A. Egorychev, V. Egorychev, S. Eisenhardt, E. Ejopu, L. Eklund, Mohamed Elashri, Jan Hendrik Ellbracht, S. Ely, A. Ene, E. Epple, Jonas Nathanael Eschle, S. Esen, Timothy Evans, Federica Fabiano, L. N. Falcao, Y. Fan, B. Fang, L. Fantini, Maria Faria, K. Farmer, D. Fazzini, Lukasz Jerzy Felkowski, Mingjie Feng, Mauricio Feo, Álvaro Fernández Casaní, Miguel Fernandez Gomez, Alex Daniel Fernez, F. Ferrari, F. Ferreira Rodrigues, M. Ferrillo, M. Ferro-Luzzi, S. Filippov, Rosa Anna Fini, M. Fiorini, Kamil Leszek Fischer, D. S. Fitzgerald, C. Fitzpatrick, F. Fleuret, M. Fontana, Lucas Arthur Foreman, R. Forty, D. Foulds-Holt, M. Franco Sevilla, M. Frank, E. Franzoso, G. Frau, C. Frei, David Anthony Friday, Quentin Fuehring, Yuki Fujii, T. Fulghesu, E. Gabriel, G. Galati, M. D. Galati, A. Gallas Torreira, D. Galli, Silvia Gambetta, M. Gandelman, P. Gandini, Bilal Ahmad Ganie, Han Gao, Tian-Qi Gao, Yang Gao, Yuxi Gao, M. Garau, L. M. Garcia Martin, P. Garcia Moreno, J. García Pardiñas, Kunal Garg, L. Garrido, C. Gaspar, R. E. Geertsema, Louis Lenard Gerken, E. Gersabeck, M. Gersabeck, Timothy Gershon, Simon Ghizzo, Zahra Ghorbanimoghaddam, L. Giambastiani, F. I. Giasemis, V. Gibson, H. K. Giemza, A. Gilman, M. Giovannetti, A. Gioventù, Lucas George Girardey, P. Gironella Gironell, C. Giugliano, Maciej Artur Giza, E. L. Gkougkousis, F. C. Glaser, V. V. Gligorov, C. Göbel, Elisabet Golobardes, D. Golubkov, Andrey Golutvin, A. Gomes, S. Gomez Fernandez, F. Goncalves Abrantes, M. Goncerz, Guanghua Gong, J. A. Gooding, I. Gorelov, C. Gotti, Jascha Peter Grabowski, Luis Alberto Granado Cardoso, E. Graugés, E. Graverini, L. Grazette, G. Graziani, A. Grecu, L. M. Greeven, Nathan Allen Grieser, L. Grillo, S. Gromov, Chenxi Gu, M. Guarise, Laetitia Guerry, M. Guittiere, Vasilisa Guliaeva, P. A. Günther, Abdul-Kerim Guseinov, E. Gushchin, Yury Guz, T. Gys, Kai Sebastian Habermann, T. Hadavizadeh, C. Hadjivasiliou, G. Haefeli, C. Haen, Jakob Haimberger, Mohammadtaghi Hajheidari, George H. Hallett, Marius Maehlum Halvorsen, P. M. Hamilton, J. Hammerich, Qundong Han, Xiaoxue Han, Stephanie Hansmann-Menzemer, N. Harnew, M. Hartmann, Sabin Hashmi, Jibo He, Frédéric Hemmer, C. Henderson, R. D. L. Henderson, A. M. Hennequin, K. Hennessy, Louis Henry, James Daniel Herd, Paula Herrero Gascon, J. Heuel, A. Hicheur, Guillermo Hijano Mendizabal, D. Hill, S. E. Hollitt, J. Horswill, Ruiwen Hou, Y. R. Hou, Ned Francis Howarth, Jiangqiao Hu, J. F. Hu, Wenhua Hu, X. Hu, Wenqian Huang, W. Hulsbergen, R. J. Hunter, M. Hushchyn, D. Hutchcroft, Dmitrii Ilin, P. Ilten, A. Inglessi, Aleksandr Iniukhin, A. Ishteev, К. Ившин, R. Jacobsson, H. Jage, S. J. Jaimes Elles, S. Jakobsen, E. Jans, B. K. Jashal, A. Jawahery, Vukan Jevtic, Emily Kaiyin Jiang, X. Jiang, Y. Jiang, M. John, Allen Cris John Rubesh Rajan, Christopher Jones, Thomas Peter Jones, Salil Joshi, B. Jost, Juan Jose Juan Castella, N. Jurik, Izabela Juszczak, Dimitrios Kaminaris, S. Kandybei, Michael James Kane, Youen Kang, C. Kar, M. Karacson, Dmitrii Karpenkov, Anni Kauniskangas, J. W. Kautz, M. K. Kazanecki, F. Keizer, Matthew Kenzie, T. Ketel, B. Khanji, Anastasiia Kharisova, Sergei Kholodenko, G. Khreich, Thomas Kirn, V. S. Kirsebom, O. Kitouni, S. Klaver, N. Kleijne, K. Klimaszewski, M. R. Kmiec, Lars Kolk, Anatoly Konoplyannikov, P. Koppenburg, M. Korolev, I. Kostiuk, O. Kot, S. Kotriakhova, Anastasiia Kozachuk, P. Kravchenko, Leonid Kravchuk, M. Kreps, P. Krokovny, W. Krupa, W. Krzemień, Oleksandr Kshyvanskyi, Jakub Kubat, Sebastian Antoni Kubis, M. Kucharczyk, V. Kudryavtsev, Evgenia Kulikova, A. Kupść, Bogdan Kutsenko, D. Lacarrère, Paloma Laguarta Gonzalez, A. Lai, A. Lampis, Davide Lancierini, C. Landesa Gomez, J. J. Lane, R. Lane, Gaia Lanfranchi, Christoph Langenbruch, Jan Langer, O. Lantwin, T. Latham, F. Lazzari, Cristina Lazzeroni, R. Le Gac, Ho Sang Lee, R. Lefèvre, A. Leflat, S. Legotin, Marion Lehuraux, E. Lemos Cid, O. Leroy, T. Lesiak, B. Leverington, Anfeng Li, C. Li, H. Li, Kechen Li, Lanxing Li, Peilian Li, Pei‐Rong Li, Qinze Li, Shiyang Li, Tiange Li, Tianqi Li, Yiming Li, Zhengchen Lian, X. Liang, Simone Libralon, Chuangxin Lin, T. Lin, R. Lindner, V. Lisovskyi, Roman Litvinov, Frank Xiangyu Liu, Guoming Liu, K. Liu, Shuaiyi Liu, Weijie Liu, Y. Liu, Yiwei Liu, A. Lobo Salvia, A. Loi, J. Lomba Castro, Thomas Long, Jose Lopes, A. Lopez Huertas, S. López Soliño, Qiuchan Lu, C. Lucarelli, D. Lucchesi, Miriam Lucio Martínez, V. Lukashenko, Y. Luo, Anna Lupato, E. Luppi, Kate Lynch, X. R. Lyu, Ge Ma, R. Ma, S. Maccolini, F. Machefert, F. Maciuc, Bridget Mack, Innes Mackay, Lauren Grace Mackey, L. R. Madhan Mohan, Marcus Jonathan Madurai, A. Maevskiy, Daniel Magdalinski, D. Maisuzenko, M. W. Majewski, J. J. Malczewski, S. Malde, L. Malentacca, Alexander Malinin, Timofei Maltsev, Giulia Manca, G. Mancinelli, C. Mancuso, Rafel Manera Escalero, Daniele Manuzzi, Daniele Marangotto, J. F. Marchand, R. Marchevski, U. Marconi, Edoardo Mariani, S. Mariani, C. Marín Benito, Jörg Marks, A. M. Marshall, Lucas Martel, G. Martelli, G. Martellotti, L. Martinazzoli, M. Martinelli, D. Martínez Santos, Fernando Martinez Vidal, A. Massafferri, R. Matev, A. Mathad, V. Matiunin, C. Matteuzzi, K. R. Mattioli, A. Mauri, Emilie Maurice, J. Mauricio, Pierre Paul Louis Mayencourt, J. Mazorra de Cos, M. Mazurek, Michael Mccann, L. Mcconnell, T. H. McGrath, N. T. McHugh, A. McNab, R. McNulty, B. Meadows, Gerwin Meier, D. Melnychuk, Fanjie Meng, M. Merk, A. Merli, L. Meyer Garcia, Dexing Miao, H. Miao, M. Mikhasenko, D. A. Milanes, A. Minotti, E. Minucci, T. Miralles, B. Mitreska, D. S. Mitzel, Atanu Modak, R. A. Mohammed, R. D. Moise, S. Mokhnenko, T. Mombächer, Matthew David Monk, Stephane Monteil, G. Morello, M. J. Morello, Maurice Pierre Morgenthaler, A. B. Morris, A. G. Morris, R. Mountain, H. Mu, Zeqing Mu, Emir Muhammad, Franz Muheim, M. Mulder, Katharina Müller, F. Muñoz-Rojas, Rebecca Murta, T. Nakada, R. Nandakumar, Irina Nasteva, N. Néri, S. Neubert, N. Neufeld, P. Neustroev, J. Nicolini, D. Nicotra, Elisabeth Maria Niel, N. Nikitin, Τ. Oeser, H. Sazak, S. Schael, S. Schmitt, Georg Schwering, Mark Smith, Jianchun Wang, J. Wang, Yuhao Wang, Ziyi Wang, Valery Zhukov
0Citations signalées, ce qui n’est pas une note de qualité
6Institutions déclarées
2Pays d’affiliation déclarés
Rattachement africain : fr, de.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
The ${Ξ_{b}^{0(-)}\toΞ_{c}(3055)^{+(0)}(\to D^{+(0)}Λ)π^{-}}$ decay chains are observed, and the spin-parity of $Ξ_{c}(3055)^{+(0)}$ baryons is determined for the first time. The measurement is performed using proton-proton collision data at a center-of-mass energy of $\sqrt{s}=13\,\text{TeV}$, corresponding to an integrated luminosity of $5.4\,\text{fb}^{-1}$, recorded by the~$\text{LHCb}$ experiment between 2016 and 2018. The spin-parity of the $Ξ_{c}(3055)^{+(0)}$ baryons is determined to be $3/2^{+}$ with a significance of more than $6.5σ$ ($3.5σ$) compared to all other tested hypotheses. The up-down asymmetries of the ${Ξ_{b}^{0(-)}\toΞ_{c}(3055)^{+(0)}π^{-}}$ transitions are measured to be $-0.92\pm0.10\pm0.05$ ($-0.92\pm0.16\pm0.22$), consistent with maximal parity violation, where the first uncertainty is statistical and the second is systematic. These results support the hypothesis that the $Ξ_{c}(3055)^{+(0)}$ baryons correspond to the first $D$-wave $λ$-mode excitation of the $Ξ_{c}$ flavor triplet.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
La source scientifique ouverte est momentanément indisponible.
Les institutions déclarées
Une affiliation ne permet pas de déduire la nationalité d’un auteur.
Les sujets associés
Quantum Chromodynamics and Particle InteractionsParticle physics theoretical and experimental studiesSuperconducting Materials and Applications